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The venerable KMC Z9000 (often supplied as original equipment on many complete bikes in the $1,000 - $2,000 range) is now the KMC X9.93. Its been upgraded with a new stretch-resistant design for long life.

With "Bulls-Eye" pin riveting and heat-treated construction, these put the "S" brands to shame in "bang for the buck".

Compatible with all popular 9 speed drivetrains (Shimano, SRAM, Campagnolo)

This is not the same chain as many of the (not so positive) reviews have rated it. This chain used to be the old Z9000 series, but was updated into the 9.93...Read complete review

This is not the same chain as many of the (not so positive) reviews have rated it. This chain used to be the old Z9000 series, but was updated into the 9.93 chain. The biggest difference is the sideplates have been redesigned and are now zinc coated. The inner plates also have a new coating than the previous version. And finally, the pins are new. Oh, and it now comes with a removable missing link, for easy removal for cleaning.

That said, here's the pros and cons: Is it the lightest chain available? Absolutely not. Is it compatible with Shimano and SRAM 9spd? Yes it is. Does it last? In my experience, it lasts every bit as good as the low-end version from the two big S brands (Shimano HG-93 and SRAM 951). While I admire the Shimano chains for their excellent shifting and low tendency to break, they stretch faster than any of the others. Stretching is the #1 cause of drivetrain wear, because as the links get longer, the chain 'rides up' on the sprocket teeth and wear them thinner.

The price point is there with this chain. You could buy two for an equivalent premium model chain from the big S brands and change them out quicker. Meaning, not only will you get more life than having bought one premium chain, but by installing the second chain halfway through, you'll cause far less wear to your drivetrain.

VS

Most Liked Negative Review

While I appreciate...

While I appreciate full-suspension bikes are particularly hard on chains, I expect more than 4 rides out of a new chain before it breaks, which is what happened with this chain. I've broken...Read complete review

While I appreciate full-suspension bikes are particularly hard on chains, I expect more than 4 rides out of a new chain before it breaks, which is what happened with this chain. I've broken chains while racing before, but never this new. To make matters worse, it flung off the chainring into the leaf litter beside the trail never to be seen again. Race over, time to walk out of the woods. I know this wasn't the chain's fault, but I had to vent!

This is not the same chain as many of the (not so positive) reviews have rated it. This chain used to be the old Z9000 series, but was updated into the 9.93 chain. The biggest difference is the sideplates have been redesigned and are now zinc coated. The inner plates also have a new coating than the previous version. And finally, the pins are new. Oh, and it now comes with a removable missing link, for easy removal for cleaning.

That said, here's the pros and cons: Is it the lightest chain available? Absolutely not. Is it compatible with Shimano and SRAM 9spd? Yes it is. Does it last? In my experience, it lasts every bit as good as the low-end version from the two big S brands (Shimano HG-93 and SRAM 951). While I admire the Shimano chains for their excellent shifting and low tendency to break, they stretch faster than any of the others. Stretching is the #1 cause of drivetrain wear, because as the links get longer, the chain 'rides up' on the sprocket teeth and wear them thinner.

The price point is there with this chain. You could buy two for an equivalent premium model chain from the big S brands and change them out quicker. Meaning, not only will you get more life than having bought one premium chain, but by installing the second chain halfway through, you'll cause far less wear to your drivetrain.

I ride variouos bikes, have always used Shimano CN7701/XTR chains and they've lasted well and taken abuse. My current bike's small ring is about done and if not careful shifting down to it you can get some chain suck, have had this happen numerous times (mostly muddy) with my CN7701 chain and no problems, never bent or twisted. Bought this chain because I had read fairly positive reviews about it and it was 1/2 the price, so I thought I'd give it a go.

Well inevtabaly I got chain suck, I was riding to meet a group in the early hours, it was dark, I removed the quick link and put the chain back on, couldn't use any gear, thought "Darn rings are worse than I thought" so rode the entire ride in my 38t ring and 32 outback, never thought to check the chain for a twist until I tried it on another bike and that gave trouble also, then I looked and found the twisted link. Cannot believe how easily this chain twisted, honestly not worth it even if it was free.

I needed a new chain, and this one worked. It's actually been through a bit of hell, with a bent rear derailleur and a snapped hanger at one point that lead to some sketchy shifting and tension. I fixed all that, and tested the chain out, and it's still as good as new, and working very well. I've got no complaints.

The chain broke within the first hour of use. Fortunately I wasn't climbing a hill. Online reviews for this product are horrible. Consumer Products Safety Commission should look into this product. Jenson shouldn't sell it.

This chain has lasted for over 1 year without any problems. I ride an average of about 4 miles a day riding back and forth to work, so I've put this chain through its paces between riding to work and the occasional race or friendly trail ride.

This chain WILL BREAK! There is no doubt about it! I Bought a brand new $1000 bike and it had this chain on it. The 3rd time of riding it, I was simply accelerating for a jump, and it broke! Think of your shins!!!

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